Randy Shaw on How the Tenderloin Survives in a Changing San Francisco

San Francisco's Tenderloin neighborhood is often associated with poverty, crime and drug use. But to attorney and activist Randy Shaw, who has worked in the neighborhood for more than 30 years, the Tenderloin is a success story. In his new book "The Tenderloin: Sex, Crime and Resistance in the Heart of San Francisco," Shaw explores the history of the neighborhood and argues that it's a model for how poor areas can improve without triggering displacement or other ill effects of gentrification.